Level 15
Apple's iOS built-in application containment and Samsung Knox aren't really the same thing - Samsung Knox is numerous things combined for a layered protection approach, as opposed to just one thing like application containment.

See the following for more information about Samsung Knox (Enterprise version):
Samsung Knox | White Paper
Thanks I had a look at Knox, out of curiosity do you use it ? If so what’s the administration burden and how is the user experience?